.box{
  width: 100px;
  height: 100px;
  background-color: aqua;
  cursor: move;
  position: absolute;
}
.box1{
  position: absolute;
}
.warp{
  -webkit-background-size: 100% 100%;
  background-size: 100% 100%; // height: 100%;
  width: 100%;
  height: 600px;
  background-image: url('../../assets/jiaxing.png');
  background-repeat: no-repeat;
  background-position: center;
  position: relative;
}